Question

Organic substances needed in small quantities to maintain growth and metabolism are called

A. Proteins
B. Vitamins
C. Minerals
D. Fats

Answer 1

i think the anwser is B or C

Explanation: since a and d are both vitamins therefore there incorrect you dont need just both of them to main growth unless you want to earn muscles but with a lot of vitamins you can maintain growth in many different ways i hope im correct